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E070

E070 - Internal communication fault

Wilo · Helix VE Pumps

What does E070 mean?

An internal communication fault has occurred within the pump system. The red LED will light up.

Common Causes

  • Internal communication fault

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Turn off the pump and wait 60 seconds.

  2. 2

    Contact the after-sales technician for assistance.

Browse all codes in this manual (24)
Verified technical data. Last updated: April 2026

Related Faults

E then 3 digitsE followed by 3 digits - Fault page displayedE001E001 - Pump overloadE004 (E032)E004 (E032) - Low converter supply voltage
Source: Wilo Helix VE Pumps
Open Manual (Page 34)Search more codes in this manual